gpl

Frozen Bubble

Looking for a simple shooter game that runs on your Linux? Then why not go for Frozen Bubble. It's a colorful and simple bubble shooting game where you shoot colored bubbles. Successfully group together certain colored bubbles and they pop into oblivion. Keep messing up and pretty soon your screen fills up with bubbles and it's game over. The game was developed by Glenn Sanson and features a General Public License.

Enigma

Some of us just love to be challenged and a quick puzzle game could do the trick. Enigma is a transport puzzle game that will definitely help exercise those brain cells and get them going. The game was based on another game, Oxyd. In Enigma, your goal is to uncover identical colored Oxyd stones while trying to overcome puzzles, laser beams and countless mazes on your way.

Really Slick Screensavers

Really Slick Screensavers is a group of alternative screensavers for Windows users. These 3D OpenGL screensavers are free to download, and look really cool compared to your stock screensavers. Choose one from the collection of 11 free screensavers, you surely won’t look at your computer the same way again. Put on these screensavers, stare at your monitor for some time, close the lights and throw a party – they are definitely hypnotizing and can take you to another world.

K3DSurf – Open Source 3D Surface Generator

I can bet that K3DSurf would be a dream to have for any math geek if they would only know about it. This nifty application allows you to visualize and manipulate Mathematical models in three, four, five and six dimensions. K3DSurf supports Parametric equations and Isosurfaces.

OpenOffice

OpenOffice is one of the best reviewed and oldest in the family of productivity software suites. It takes care of all the typical office needs: word processing, spreadsheets, presentations, graphics, databases and more. The software is available for all possible operating systems and in many languages. It can open & save your files to an international open standard format and to many additional formats common to other office software packages as well. The best thing about it - it can be downloaded and used for any purpose completely free!

Inkscape

Inkscape is a great free & open source alternative to expensive Adobe & Corel programs. It has similar capabilities to Illustrator, Freehand, CorelDraw or Xara X, using the W3C standard Scalable Vector Graphics (SVG) file format. If you’ve ever thought about learning graphic design on your own, Inkscape is the program to have. It not only has a full range professional features, but it’s extensive user documentation & multitude of tutorials available online will never let you get lost.

Cyberduck

I think Cyberduck is the most user-friendly FTP app out there (too bad it is only for Mac). I was introduced to it a few years ago when I was just barely grasping the concept of FTP and I could connect to different servers & upload files within minutes. Currently the software allows you to browse servers using the following protocols: FTP, FTP/TLS, sFTP, WebDav and browse & upload to Amazon and Mosso's Cloud Storage.

Pidgin

Pidgin is an tiny application that allows you to connect with all your friends through most of the chat networks in one place. It supports AIM, MSN, Yahoo, Google Talk, IRC, QQ, Sametime, Zephyr, Bonjour, Groupwise, SILC, XMPP, Gadu-Gadu, ICQ, MySpaceIM, SIMPLE (upphhh - that's a lot), and it can support many more with plugins.